html,body{
    /* width: 100%; */
    min-width: 1500px;
    max-width: 100%;
}
*{
    margin: 0;
    padding: 0;
    list-style: none;
}
a{
    text-decoration: none;
    color: black;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.clearFix::after{
    content: '';
    display: block;
    clear: both;
}
input{
    outline: none;
}